Rear axle 3.73 ratio (Requires (L8T) 6.6L V8 gas engine. Not available with (L5P) Duramax 6.6L Turbo-Diesel V8 engine.)
Durabed pickup bed
GVWR 11700 lbs. (5307 kg) with single rear wheels (Included and only available with CK30943 model and (L8T) 6.6L V8 gas engine. Requires single rear wheels.)